..:: DFT Efficient Computation on Digital Signal Processing related Questions and Answers

DFT Efficient Computation on Digital Signal Processing related Questions and Answers

Question : If X(k) is the N/2 point DFT of the sequence x(n), then what is the value of X(k+N/2)?
1. F₁(k)+F₂(k)
2. F₁(k)- W_N^k F₂(k)
3. F₁(k)+W_N^k F2(k)
4. None of the mentioned
Answer : 2 - F₁(k)- W_N^k F₂(k)

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